I fixed this by installing the non-free "poppler-data" package, as suggested by the developer. Closing.
** Changed in: poppler (Ubuntu) Status: Triaged => Invalid -- Some fonts fail to display due to "Unknown font tag". https://bugs.launchpad.net/bugs/386008 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs